RAILWAYS AND LOCOMOTIVES LECTURES DELIVERED AT THE SCHOOL OF MILITARY ENGINEERING AT CHATHAM IN 1877 BY JOHN WOLFE BARRY, M. INST. C.E. AND FREDERICK J. BRAMWELL, F.R.S., M. INST. C.E. LONDON LONGMANS, GREEN, AND CO. 1882 All rights reserved PREFACE. THE LECTURES which form this volume were delivered in 1877 at Chatham to the students of the School of Military Engineering, with the aid of explanatory diagrams and models, which are to a great extent represented by the woodcuts. Those Lectures which relate to Railways were delivered by Mr. J. W. BARRY, and those which relate to Locomotives by Mr. F. J. BRAMWELL, F.R.S. The Lectures given at Chatham are usually printed for private circulation among members of the Corps of Royal Engineers; but it was thought that the publication of the present Lectures in one volume might furnish a useful book for the general public, as well as for those who have passed through the Chatham course of study. It is right to observe that portions of three out of six of Mr. BARRY's Lectures are extracts from his text-book on Railway Appliances, published about a year before the Lectures were delivered. Mr. BARRY found, in pre |